condition mean min max ZT0-3 681.090005 681.090005 681.090005 ZT4-7 225.8750645 225.8750645 225.8750645 ZT8-11 247.0297275 247.0297275 247.0297275 ZT12-15 296.4798665 296.4798665 296.4798665 ZT16-19 606.1679075 606.1679075 606.1679075 ZT20-23 636.847829 636.847829 636.847829